#2598B4#2598B4

#2598B4 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.105 H 218.7°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#2598B4
RGBrgb(37, 152, 180)
HSLhsl(192, 66%, 43%)
HSVhsv(192, 79%, 71%)
CMYKcmyk(79.4%, 15.6%, 0%, 29.4%)
CIE-LABlab(58.17, -21.20, -23.43)
CIE-LCHlch(58.17, 31.59, 227.86°)
OKLaboklab(63.09% -0.0817 -0.0655)
OKLCHoklch(63.09% 0.105 218.7)
XYZxyz(20.2259, 26.1426, 47.1512)
Luminance0.2615 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2598B4 #B44125
analogous
#25B488 #2598B4 #2551B4
triadic
#2598B4 #B42598 #98B425
tetradic
#2598B4 #8825B4 #B44125 #51B425
square
#2598B4 #8825B4 #B44125 #51B425
split-complementary
#2598B4 #B42551 #B48825
monochromatic
#10424E #1B6D81 #2598B4 #3FBAD7 #71CCE2

Accessibility & contrast

On white

3.37
#2598B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.23
#2598B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2598B4
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2598B4#FFFFFF#000000##000000
##2598B41.003.376.236.23
#FFFFFF3.371.0021.0021.00
#0000006.2321.001.001.00
##0000006.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8694B6
Deuteranopia (green-blind)
#7386B4
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #2598b4;
/* rgb */ color: rgb(37, 152, 180);
/* oklch */ color: oklch(63.1% 0.105 218.7);
Tailwind
colors: {
  custom: {
    50: '#78b6ca',
    500: '#2598b4',
    950: '#000000',
  },
}
SCSS
$custom: #2598b4;
$custom-light: #78b6ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2598b4",
  "rgb": {
    "r": 37,
    "g": 152,
    "b": 180
  },
  "hsl": {
    "h": 191.748,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63085,
    "c": 0.10474,
    "h": 218.7
  },
  "luminance": 0.26145
}

Semantic roles & 50–950 ramp

primary
#2598B4
secondary
#C97E6C
accent
#603FE9
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #2598B4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#2598B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva